2-Pack Bike Headset Caged Ball Bearing 4mm 20 Balls | 32mm
2-Pack Bike Headset Caged Ball Bearing 4mm 20 Balls | 32mm
2-Pack Bicycle Headset Caged Ball Bearing – 4mm, 20 Balls
Keep your bike's steering smooth and precise with these durable caged ball bearings. Designed as a direct-fit replacement for standard bicycle headsets, this set of two metal bearings ensures consistent, low-friction performance whether you're commuting, cruising, or trail riding. Made in Mainland China.
Key Features
- Set of 2: Get two caged ball bearings in one pack — great value and always have a spare on hand.
- 20 precision balls per retainer: Evenly distributed 4mm balls for smooth, balanced rotation.
- 32mm inner diameter: Fits standard bicycle headset components, ideal for cruisers and general-purpose bikes.
- Durable metal construction: High-quality steel build for long-lasting performance and resistance to wear.
- Lightweight: Each retainer weighs only ~20g, adding virtually no extra weight to your setup.
- Easy installation: Drop-in replacement design makes maintenance quick and hassle-free — no specialist tools required.
Specifications
- Type: Caged Ball Bearing Retainer
- Ball Size: 4mm
- Number of Balls: 20 per retainer
- Inner Diameter: 32mm
- External Diameter: 40mm (4cm)
- Material: Metal (steel)
- Color: Silver
- Weight: ~20g per unit
- Quantity: 2 pieces
- Origin: Made in Mainland China
Package Includes
- 2 × Bicycle Headset Caged Ball Bearing (4mm, 20 Balls)
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Frequently Asked Questions
Q: What bike types are these headset ball bearings compatible with?
A: These caged ball bearings are designed for bicycle headsets with a 32mm inner diameter, making them suitable for cruisers and many standard road or leisure bikes. Always verify your headset's inner diameter before purchasing to confirm compatibility.
Q: How many bearings are included in this pack?
A: This listing includes 2 caged ball bearing retainers, each containing 20 precision 4mm steel balls — giving you a complete replacement set plus a spare.
Q: Are these difficult to install?
A: Not at all. These are designed as straightforward drop-in replacements for worn or damaged headset bearings. Basic bike maintenance knowledge is sufficient — no specialist tools are needed for installation.
Q: What material are these ball bearings made from?
A: The bearings are made from durable metal (steel), finished in silver. They are built to withstand the regular stresses of cycling and provide lasting, smooth performance.